<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图 -->
        <el-card>
            <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
            <div id="main" style="width: 750px;height:400px;"></div>
        </el-card>
    </div>
</template>
<script>

import * as echarts from 'echarts';
import _ from 'lodash'

export default {
    data() {
        return {
            options: {
                title: {
                    text: '用户来源'
                },
                tooltip: {
                    trigger: 'axis',
                    axisPointer: {
                    type: 'cross',
                    label: {
                        backgroundColor: '#E9EEF3'
                    }
                    }
                },
                grid: {
                    left: '3%',
                    right: '4%',
                    bottom: '3%',
                    containLabel: true
                },
                xAxis: [
                    {
                    boundaryGap: false
                    }
                ],
                yAxis: [
                    {
                    type: 'value'
                    }
                ]
            }
        }
    },
    created() {
        
    },

    //此时页面的元素已经渲染完毕
    async mounted() {
        // 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));

        
        const { data } = await this.axios.get('reports/type/1')
        //console.log(data)


        const result = _.merge(data.data,this.options)


        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(result);
    },
}
</script>
<style lang="less" scoped>

</style>